!14 support Train for 20.03 SP3

From: @ffrog
Reviewed-by: @xiyuanwang
Signed-off-by: @xiyuanwang

openstack-trove.spec

@@ -6,7 +6,7 @@
 %global with_doc 1
 
 Name:             openstack-%{service}
-Version:          15.0.0
+Version:          12.1.0
 Release:          1
 Summary:          OpenStack DBaaS (%{service})
 
@@ -132,7 +132,7 @@ Requires:         python3-xmltodict
 Requires:         python3-webob
 
 # python-migrate instead by python-sqlalchemy-migrate
-# Requires:         python-migrate >= 0.11.0
+# Requires:         python-migrate
 
 Requires:         python3-sqlalchemy
 Requires:         python3-paste
@@ -379,12 +379,5 @@ exit 0
 %endif
 
 %changelog
-* Thu Jul 29 2021 huangtianhua <huangtianhua@huawei.com> - 15.0.0-1
-- Upgrade to 15.0.0 to support OpenStack-W
-
-* Tue Jun 08 2021 liusheng <liusheng2048@gmail.com>
-- Add missed apache config file
-
-* Tue May 18 2021 Python_Bot <Python_Bot@openeuler.org>
-- Package Spec generated
-
+* Fri Nov 05 2021 wangxiyuan <wangxiyuan1007@gmail.com> - 12.1.0-1
+- Support OpenStack Train release